Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | The Seven Year Itch | 1955 | Dr. Brubaker |
| Actor | War and Peace | 1956 | Field Marshal Kutuzov |
| Actor | Ball of Fire | 1941 | Prof. Gurkakoff |
| Actor | Sabotage | 1936 | Karl Anton Verloc (as Oscar Homolka) |
| Actor | Boys' Night Out | 1962 | Dr. Prokosch (as Oscar Homolka) |
| Actor | The Invisible Woman | 1940 | Blackie |
| Actor | A Farewell to Arms | 1957 | Dr Emerich |
| Actor | Funeral in Berlin | 1966 | Colonel Stok |
| Actor | Billion Dollar Brain | 1967 | General Stok |
| Actor | The Long Ships | 1964 | Krok |
| Actor | I Remember Mama | 1948 | Uncle Chris |
| Actor | The Tamarind Seed | 1974 | Gen. Golitsyn (as Oscar Homolka) |
| Actor | The Wonderful World of the Brothers Grimm | 1962 | The Duke |
| Actor | The Strange Case of Dr. Jekyll and Mr. Hyde | 1968 | Stryker |
| Actor | Mr. Sardonicus | 1961 | Krull |
| Actor | Comrade X | 1940 | Commissar Vasiliev |
| Actor | Seven Sinners | 1940 | Antro |